<?php
class Foo {}
class Bar extends Foo {}
class FooCreator
{
public function create(FooAlias $foo) {
}
}
$foo = new Bar;
$creator = new FooCreator();
$creator->create($foo);
class_alias('Foo', 'FooAlias');
hint_for_alias($foo);
Fatal error: Uncaught TypeError: FooCreator::create(): Argument #1 ($foo) must be of type FooAlias, Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M:9
Stack trace:
#0 /in/vnA9M(19): FooCreator->create(Object(Bar))
#1 {main}
thrown in /in/vnA9M on line 9
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Uncaught TypeError: FooCreator::create(): Argument #1 ($foo) must be of type FooAlias, Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M:9
Stack trace:
#0 /in/vnA9M(19): FooCreator->create(Object(Bar))
#1 {main}
thrown in /in/vnA9M on line 9
Process exited with code 255.
Fatal error: Uncaught TypeError: Argument 1 passed to FooCreator::create() must be an instance of FooAlias, instance of Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M:9
Stack trace:
#0 /in/vnA9M(19): FooCreator->create(Object(Bar))
#1 {main}
thrown in /in/vnA9M on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to FooCreator::create() must be an instance of FooAlias, instance of Bar given, called in /in/vnA9M on line 19 and defined in /in/vnA9M on line 9
Process exited with code 255.